console.log("a模块");
// import myobj1 from './b.js';
// console.log(myobj1)
// 默认导出:每个模块只能默认导出一次；
let a = 10;
let b = 20;
let obj = {
    a,
    b
}
let c = 30;
let d = 40;
export {c};
export {d};
// export default a;
export default obj;
// export {b as default};